trunk/modules/m_kline.c

/*
 *  ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
 *  m_kline.c: Bans a user.
 *
 *  Copyright (C) 2002 by the past and present ircd coders, and others.
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
 *  USA
 *
 *  $Id$
 */

#include "stdinc.h"
#include "list.h"
#include "channel.h"
#include "client.h"
#include "irc_string.h"
#include "sprintf_irc.h"
#include "ircd.h"
#include "hostmask.h"
#include "numeric.h"
#include "fdlist.h"
#include "s_bsd.h"
#include "conf.h"
#include "log.h"
#include "s_misc.h"
#include "send.h"
#include "hash.h"
#include "s_serv.h"
#include "s_gline.h"
#include "parse.h"
#include "modules.h"
#include "conf_db.h"


static int already_placed_kline(struct Client *, const char *, const char *, int);
static void m_kline_add_kline(struct Client *, struct AccessItem *, time_t);

static char buffer[IRCD_BUFSIZE];
static int remove_kline_match(const char *, const char *);


/* mo_kline()
 *
 * inputs       - pointer to server
 *              - pointer to client
 *              - parameter count
 *              - parameter list
 * output       -
 * side effects - k line is added
 */
static void
mo_kline(struct Client *client_p, struct Client *source_p,
         int parc, char *parv[])
{
  char *reason = NULL;
  char *user = NULL;
  char *host = NULL;
  const char *current_date;
  char *target_server = NULL;
  struct ConfItem *conf;
  struct AccessItem *aconf;
  time_t tkline_time = 0;
  time_t cur_time;

  if (!HasOFlag(source_p, OPER_FLAG_K))
  {
    sendto_one(source_p, form_str(ERR_NOPRIVS),
               me.name, source_p->name, "kline");
    return;
  }

  if (parse_aline("KLINE", source_p, parc, parv,
                  AWILD, &user, &host, &tkline_time, &target_server, &reason) < 0)
    return;

  if (target_server != NULL)
  {
    if (HasID(source_p))
    {
      sendto_server(NULL, CAP_KLN|CAP_TS6, NOCAPS,
                    ":%s KLINE %s %lu %s %s :%s",
                    source_p->id, target_server, (unsigned long)tkline_time,
                    user, host, reason);
      sendto_server(NULL, CAP_KLN, CAP_TS6,
                    ":%s KLINE %s %lu %s %s :%s",
                    source_p->name, target_server, (unsigned long)tkline_time,
                    user, host, reason);
    }
    else
      sendto_server(NULL, CAP_KLN, NOCAPS,
                    ":%s KLINE %s %lu %s %s :%s",
                    source_p->name, target_server, (unsigned long)tkline_time,
                    user, host, reason);

    /* Allow ON to apply local kline as well if it matches */
    if (!match(target_server, me.name))
      return;
  }
  else
    cluster_a_line(source_p, "KLINE", CAP_KLN, SHARED_KLINE,
                   "%d %s %s :%s", tkline_time, user, host, reason);

  if (already_placed_kline(source_p, user, host, 1))
    return;

  cur_time = CurrentTime;
  current_date = smalldate(cur_time);
  conf = make_conf_item(KLINE_TYPE);
  aconf = map_to_conf(conf);

  DupString(aconf->host, host);
  DupString(aconf->user, user);

  if (tkline_time != 0)
  {
    snprintf(buffer, sizeof(buffer), "Temporary K-line %d min. - %s (%s)",
             (int)(tkline_time/60), reason, current_date);
    DupString(aconf->reason, buffer);

    m_kline_add_kline(source_p, aconf, tkline_time);
  }
  else
  {
    snprintf(buffer, sizeof(buffer), "%s (%s)", reason, current_date);
    DupString(aconf->reason, buffer);

    m_kline_add_kline(source_p, aconf, 0);
  }
}

/* me_kline - handle remote kline. no propagation */
static void
me_kline(struct Client *client_p, struct Client *source_p,
         int parc, char *parv[])
{
  struct ConfItem *conf=NULL;
  struct AccessItem *aconf=NULL;
  int tkline_time;
  const char* current_date;
  time_t cur_time;
  char *kuser, *khost, *kreason;

  if (parc != 6 || EmptyString(parv[5]))
    return;

  if (!match(parv[1], me.name))
    return;

  tkline_time = valid_tkline(parv[2], TK_SECONDS);
  kuser = parv[3];
  khost = parv[4];
  kreason = parv[5];

  cur_time = CurrentTime;
  current_date = smalldate(cur_time);

  if (HasFlag(source_p, FLAGS_SERVICE) || find_matching_name_conf(ULINE_TYPE, source_p->servptr->name,
                              source_p->username, source_p->host,
                              SHARED_KLINE))
  {
    if (!IsClient(source_p) ||
        already_placed_kline(source_p, kuser, khost, 1))
      return;

    conf = make_conf_item(KLINE_TYPE);
    aconf = map_to_conf(conf);
    DupString(aconf->host, khost);
    DupString(aconf->user, kuser);

    if (tkline_time != 0)
    {
      snprintf(buffer, sizeof(buffer), "Temporary K-line %d min. - %s (%s)",
               (int)(tkline_time/60), kreason, current_date);
      DupString(aconf->reason, buffer);

      m_kline_add_kline(source_p, aconf, tkline_time);
    }
    else
    {
      snprintf(buffer, sizeof(buffer), "%s (%s)", kreason, current_date);
      DupString(aconf->reason, buffer);

      m_kline_add_kline(source_p, aconf, 0);
    }
  }
}

static void
ms_kline(struct Client *client_p, struct Client *source_p,
         int parc, char *parv[])
{
  if (parc != 6 || EmptyString(parv[5]))
    return;

  /* parv[0]  parv[1]        parv[2]      parv[3]  parv[4]  parv[5] */
  /* oper     target_server  tkline_time  user     host     reason */
  sendto_match_servs(source_p, parv[1], CAP_KLN,
                     "KLINE %s %s %s %s :%s",
                     parv[1], parv[2], parv[3], parv[4], parv[5]);

  me_kline(client_p, source_p, parc, parv);
}

/* apply_tkline()
 *
 * inputs       -
 * output       - NONE
 * side effects - tkline as given is placed
 */
static void
m_kline_add_kline(struct Client *source_p, struct AccessItem *aconf,
                  time_t tkline_time)
{
  aconf->setat = CurrentTime;

  if (tkline_time)
  {
    aconf->hold = CurrentTime + tkline_time;
    SetConfTemporary(aconf);

    sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
                         "%s added temporary %d min. K-Line for [%s@%s] [%s]",
                         get_oper_name(source_p), tkline_time/60,
                         aconf->user, aconf->host,
                         aconf->reason);
    sendto_one(source_p, ":%s NOTICE %s :Added temporary %d min. K-Line [%s@%s]",
                 MyConnect(source_p) ? me.name : ID_or_name(&me, source_p->from),
                 source_p->name, tkline_time/60, aconf->user, aconf->host);
    ilog(LOG_TYPE_KLINE, "%s added temporary %d min. K-Line for [%s@%s] [%s]",
         source_p->name, tkline_time/60,
         aconf->user, aconf->host, aconf->reason);
  }
  else
  {
    sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
                         "%s added K-Line for [%s@%s] [%s]",
                         get_oper_name(source_p),
                         aconf->user, aconf->host, aconf->reason);
    sendto_one(source_p, ":%s NOTICE %s :Added K-Line [%s@%s]",
               MyConnect(source_p) ? me.name : ID_or_name(&me, source_p->from),
                 source_p->name, aconf->user, aconf->host);
    ilog(LOG_TYPE_KLINE, "%s added K-Line for [%s@%s] [%s]",
         source_p->name, aconf->user, aconf->host, aconf->reason);
  }

  add_conf_by_address(CONF_KLINE, aconf);
  rehashed_klines = 1;
}

/* already_placed_kline()
 * inputs       - user to complain to, username & host to check for
 * outputs      - returns 1 on existing K-line, 0 if doesn't exist
 * side effects - notifies source_p if the K-line already exists
 */
/*
 * Note: This currently works if the new K-line is a special case of an
 *       existing K-line, but not the other way round. To do that we would
 *       have to walk the hash and check every existing K-line. -A1kmm.
 */
static int
already_placed_kline(struct Client *source_p, const char *luser, const char *lhost, int warn)
{
  const char *reason;
  struct irc_ssaddr iphost, *piphost;
  struct AccessItem *aconf;
  int t;

  if ((t = parse_netmask(lhost, &iphost, &t)) != HM_HOST)
  {
#ifdef IPV6
    if (t == HM_IPV6)
      t = AF_INET6;
    else
#endif
      t = AF_INET;
    piphost = &iphost;
  }
  else
  {
    t = 0;
    piphost = NULL;
  }

  if ((aconf = find_conf_by_address(lhost, piphost, CONF_KLINE, t, luser, NULL, 0)))
  {
    if (warn)
    {
      reason = aconf->reason ? aconf->reason : "No reason";
      sendto_one(source_p,
                 ":%s NOTICE %s :[%s@%s] already K-Lined by [%s@%s] - %s",
                 me.name, source_p->name, luser, lhost, aconf->user,
                 aconf->host, reason);
    }

    return 1;
  }

  return 0;
}

/*
** mo_unkline
** Added Aug 31, 1997 
** common (Keith Fralick) fralick@gate.net
**
**      parv[0] = sender
**      parv[1] = address to remove
*
*
*/
static void
mo_unkline(struct Client *client_p,struct Client *source_p,
           int parc, char *parv[])
{
  char *target_server = NULL;
  char *user, *host;

  if (!HasOFlag(source_p, OPER_FLAG_UNKLINE))
  {
    sendto_one(source_p, form_str(ERR_NOPRIVS),
               me.name, source_p->name, "unkline");
    return;
  }

  if (EmptyString(parv[1]))
  {
    sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS),
               me.name, source_p->name, "UNKLINE");
    return;
  }

  if (parse_aline("UNKLINE", source_p, parc, parv, 0, &user,
                  &host, NULL, &target_server, NULL) < 0)
    return;

  if (target_server != NULL)
  {
     sendto_match_servs(source_p, target_server, CAP_UNKLN,
                        "UNKLINE %s %s %s",
                        target_server, user, host);

    /* Allow ON to apply local unkline as well if it matches */
    if (!match(target_server, me.name))
      return;
  }
  else
    cluster_a_line(source_p, "UNKLINE", CAP_UNKLN, SHARED_UNKLINE,
                   "%s %s", user, host);

  if (remove_kline_match(host, user))
  {
    sendto_one(source_p,
               ":%s NOTICE %s :K-Line for [%s@%s] is removed",
               me.name, source_p->name, user, host);
    sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
                         "%s has removed the K-Line for: [%s@%s]",
                         get_oper_name(source_p), user, host);
    ilog(LOG_TYPE_KLINE, "%s removed K-Line for [%s@%s]",
         source_p->name, user, host);
  }
  else
    sendto_one(source_p, ":%s NOTICE %s :No K-Line for [%s@%s] found", 
               me.name, source_p->name, user, host);
}

/* me_unkline()
 *
 * inputs       - server
 *              - client
 *              - parc
 *              - parv
 * outputs      - none
 * side effects - if server is authorized, kline is removed
 *                does not propagate message
 */
static void
me_unkline(struct Client *client_p, struct Client *source_p,
           int parc, char *parv[])
{
  const char *kuser, *khost;

  if (parc != 4)
    return;

  kuser = parv[2];
  khost = parv[3];

  if (!IsClient(source_p) || !match(parv[1], me.name))
    return;

  if (HasFlag(source_p, FLAGS_SERVICE) || find_matching_name_conf(ULINE_TYPE,
                                   source_p->servptr->name,
                                   source_p->username, source_p->host,
                                   SHARED_UNKLINE))
  {
    if (remove_kline_match(khost, kuser))
    {
      sendto_one(source_p,
                 ":%s NOTICE %s :K-Line for [%s@%s] is removed",
                 me.name, source_p->name, kuser, khost);
      sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
                           "%s has removed the K-Line for: [%s@%s]",
                           get_oper_name(source_p), kuser, khost);
      ilog(LOG_TYPE_KLINE, "%s removed K-Line for [%s@%s]",
           source_p->name, kuser, khost);
    }
    else
      sendto_one(source_p, ":%s NOTICE %s :No K-Line for [%s@%s] found",
                 me.name, source_p->name, kuser, khost);
  }
}

/* ms_unkline - propagates and handles a remote unkline message */
static void
ms_unkline(struct Client *client_p, struct Client *source_p,
           int parc, char *parv[])
{
  if (parc != 4)
    return;

  sendto_match_servs(source_p, parv[1], CAP_UNKLN,
                     "UNKLINE %s %s %s",
                     parv[1], parv[2], parv[3]);

  me_unkline(client_p, source_p, parc, parv);
}

/* static int remove_tkline_match(const char *host, const char *user)
 * Input: A hostname, a username to unkline.
 * Output: returns YES on success, NO if no tkline removed.
 * Side effects: Any matching tklines are removed.
 */
static int
remove_kline_match(const char *host, const char *user)
{
  struct irc_ssaddr iphost, *piphost;
  struct AccessItem *aconf;
  int t;

  if ((t = parse_netmask(host, &iphost, NULL)) != HM_HOST)
  {
#ifdef IPV6
    if (t == HM_IPV6)
      t = AF_INET6;
    else
#endif
      t = AF_INET;
    piphost = &iphost;
  }
  else
  {
    t = 0;
    piphost = NULL;
  }

  if ((aconf = find_conf_by_address(host, piphost, CONF_KLINE, t, user, NULL, 0)))
  {
    if (!IsConfMain(aconf))
    {
      delete_one_address_conf(host, aconf);
      return 1;
    }
  }

  return 0;
}

static struct Message kline_msgtab = {
  "KLINE", 0, 0, 2, MAXPARA, MFLG_SLOW, 0,
   {m_unregistered, m_not_oper, ms_kline, me_kline, mo_kline, m_ignore}
};

static struct Message unkline_msgtab = {
  "UNKLINE", 0, 0, 2, MAXPARA, MFLG_SLOW, 0,
   {m_unregistered, m_not_oper, ms_unkline, me_unkline, mo_unkline, m_ignore}
};

static void
module_init(void)
{
  mod_add_cmd(&kline_msgtab);
  mod_add_cmd(&unkline_msgtab);
  add_capability("KLN", CAP_KLN, 1);
  add_capability("UNKLN", CAP_UNKLN, 1);
}

static void
module_exit(void)
{
  mod_del_cmd(&kline_msgtab);
  mod_del_cmd(&unkline_msgtab);
  delete_capability("UNKLN");
  delete_capability("KLN");
}

struct module module_entry = {
  .node    = { NULL, NULL, NULL },
  .name    = NULL,
  .version = "$Revision$",
  .handle  = NULL,
  .modinit = module_init,
  .modexit = module_exit,
  .flags   = 0
};
Revision:	1625
Committed:	Thu Nov 1 13:49:25 2012 UTC (12 years, 9 months ago) by michael
Content type:	text/x-csrc
File size:	14244 byte(s)
Log Message:	- dbs are now periodically flushed on disc every 5 minutes
#	User	Rev	Content
1	adx	30	/*
2			* ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
3			* m_kline.c: Bans a user.
4			*
5			* Copyright (C) 2002 by the past and present ircd coders, and others.
6			*
7			* This program is free software; you can redistribute it and/or modify
8			* it under the terms of the GNU General Public License as published by
9			* the Free Software Foundation; either version 2 of the License, or
10			* (at your option) any later version.
11			*
12			* This program is distributed in the hope that it will be useful,
13			* but WITHOUT ANY WARRANTY; without even the implied warranty of
14			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15			* GNU General Public License for more details.
16			*
17			* You should have received a copy of the GNU General Public License
18			* along with this program; if not, write to the Free Software
19			* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
20			* USA
21			*
22	knight	31	* $Id$
23	adx	30	*/
24
25			#include "stdinc.h"
26	michael	1011	#include "list.h"
27	adx	30	#include "channel.h"
28			#include "client.h"
29			#include "irc_string.h"
30			#include "sprintf_irc.h"
31			#include "ircd.h"
32			#include "hostmask.h"
33			#include "numeric.h"
34			#include "fdlist.h"
35			#include "s_bsd.h"
36	michael	1309	#include "conf.h"
37			#include "log.h"
38	adx	30	#include "s_misc.h"
39			#include "send.h"
40			#include "hash.h"
41			#include "s_serv.h"
42			#include "s_gline.h"
43			#include "parse.h"
44			#include "modules.h"
45	michael	1622	#include "conf_db.h"
46	adx	30
47	michael	611
48	michael	1058	static int already_placed_kline(struct Client , const char , const char *, int);
49	michael	1622	static void m_kline_add_kline(struct Client , struct AccessItem , time_t);
50	michael	1058
51			static char buffer[IRCD_BUFSIZE];
52	michael	1622	static int remove_kline_match(const char , const char );
53	adx	30
54
55			/* mo_kline()
56			*
57			* inputs - pointer to server
58			* - pointer to client
59			* - parameter count
60			* - parameter list
61			* output -
62			* side effects - k line is added
63			*/
64			static void
65			mo_kline(struct Client client_p, struct Client source_p,
66	michael	1298	int parc, char *parv[])
67	adx	30	{
68			char *reason = NULL;
69			char *user = NULL;
70			char *host = NULL;
71			const char *current_date;
72			char *target_server = NULL;
73			struct ConfItem *conf;
74			struct AccessItem *aconf;
75			time_t tkline_time = 0;
76			time_t cur_time;
77
78	michael	1219	if (!HasOFlag(source_p, OPER_FLAG_K))
79	adx	30	{
80			sendto_one(source_p, form_str(ERR_NOPRIVS),
81			me.name, source_p->name, "kline");
82			return;
83			}
84
85			if (parse_aline("KLINE", source_p, parc, parv,
86			AWILD, &user, &host, &tkline_time, &target_server, &reason) < 0)
87			return;
88
89			if (target_server != NULL)
90			{
91			if (HasID(source_p))
92			{
93	michael	1474	sendto_server(NULL, CAP_KLN\|CAP_TS6, NOCAPS,
94	adx	30	":%s KLINE %s %lu %s %s :%s",
95			source_p->id, target_server, (unsigned long)tkline_time,
96			user, host, reason);
97	michael	1474	sendto_server(NULL, CAP_KLN, CAP_TS6,
98	adx	30	":%s KLINE %s %lu %s %s :%s",
99			source_p->name, target_server, (unsigned long)tkline_time,
100			user, host, reason);
101			}
102			else
103	michael	1474	sendto_server(NULL, CAP_KLN, NOCAPS,
104	adx	30	":%s KLINE %s %lu %s %s :%s",
105			source_p->name, target_server, (unsigned long)tkline_time,
106			user, host, reason);
107
108			/* Allow ON to apply local kline as well if it matches */
109			if (!match(target_server, me.name))
110			return;
111			}
112			else
113			cluster_a_line(source_p, "KLINE", CAP_KLN, SHARED_KLINE,
114	michael	1058	"%d %s %s :%s", tkline_time, user, host, reason);
115	adx	30
116	michael	1243	if (already_placed_kline(source_p, user, host, 1))
117	adx	30	return;
118
119			cur_time = CurrentTime;
120			current_date = smalldate(cur_time);
121			conf = make_conf_item(KLINE_TYPE);
122			aconf = map_to_conf(conf);
123
124			DupString(aconf->host, host);
125			DupString(aconf->user, user);
126
127			if (tkline_time != 0)
128			{
129	michael	1233	snprintf(buffer, sizeof(buffer), "Temporary K-line %d min. - %s (%s)",
130			(int)(tkline_time/60), reason, current_date);
131	adx	30	DupString(aconf->reason, buffer);
132
133	michael	1622	m_kline_add_kline(source_p, aconf, tkline_time);
134	adx	30	}
135			else
136			{
137	michael	1233	snprintf(buffer, sizeof(buffer), "%s (%s)", reason, current_date);
138	adx	30	DupString(aconf->reason, buffer);
139
140	michael	1622	m_kline_add_kline(source_p, aconf, 0);
141	adx	30	}
142			}
143
144			/* me_kline - handle remote kline. no propagation */
145			static void
146			me_kline(struct Client client_p, struct Client source_p,
147			int parc, char *parv[])
148			{
149			struct ConfItem *conf=NULL;
150			struct AccessItem *aconf=NULL;
151			int tkline_time;
152			const char* current_date;
153			time_t cur_time;
154	michael	1622	char kuser, khost, *kreason;
155	adx	30
156	michael	352	if (parc != 6 \|\| EmptyString(parv[5]))
157	adx	30	return;
158
159			if (!match(parv[1], me.name))
160			return;
161
162			tkline_time = valid_tkline(parv[2], TK_SECONDS);
163			kuser = parv[3];
164			khost = parv[4];
165			kreason = parv[5];
166
167			cur_time = CurrentTime;
168			current_date = smalldate(cur_time);
169
170	michael	1275	if (HasFlag(source_p, FLAGS_SERVICE) \|\| find_matching_name_conf(ULINE_TYPE, source_p->servptr->name,
171	adx	30	source_p->username, source_p->host,
172			SHARED_KLINE))
173			{
174			if (!IsClient(source_p) \|\|
175	michael	1243	already_placed_kline(source_p, kuser, khost, 1))
176	adx	30	return;
177
178			conf = make_conf_item(KLINE_TYPE);
179			aconf = map_to_conf(conf);
180			DupString(aconf->host, khost);
181			DupString(aconf->user, kuser);
182
183			if (tkline_time != 0)
184			{
185	michael	1233	snprintf(buffer, sizeof(buffer), "Temporary K-line %d min. - %s (%s)",
186			(int)(tkline_time/60), kreason, current_date);
187	adx	30	DupString(aconf->reason, buffer);
188
189	michael	1622	m_kline_add_kline(source_p, aconf, tkline_time);
190	adx	30	}
191			else
192			{
193	michael	1233	snprintf(buffer, sizeof(buffer), "%s (%s)", kreason, current_date);
194	adx	30	DupString(aconf->reason, buffer);
195
196	michael	1622	m_kline_add_kline(source_p, aconf, 0);
197	adx	30	}
198			}
199			}
200
201			static void
202			ms_kline(struct Client client_p, struct Client source_p,
203	michael	1058	int parc, char *parv[])
204	adx	30	{
205	michael	352	if (parc != 6 \|\| EmptyString(parv[5]))
206	adx	30	return;
207
208			/* parv[0] parv[1] parv[2] parv[3] parv[4] parv[5] */
209			/* oper target_server tkline_time user host reason */
210			sendto_match_servs(source_p, parv[1], CAP_KLN,
211			"KLINE %s %s %s %s :%s",
212			parv[1], parv[2], parv[3], parv[4], parv[5]);
213
214			me_kline(client_p, source_p, parc, parv);
215			}
216
217			/* apply_tkline()
218			*
219			* inputs -
220			* output - NONE
221			* side effects - tkline as given is placed
222			*/
223			static void
224	michael	1622	m_kline_add_kline(struct Client source_p, struct AccessItem aconf,
225			time_t tkline_time)
226	adx	30	{
227	michael	1622	aconf->setat = CurrentTime;
228	adx	30
229	michael	1622	if (tkline_time)
230			{
231			aconf->hold = CurrentTime + tkline_time;
232			SetConfTemporary(aconf);
233	michael	1369
234	michael	1622	sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
235			"%s added temporary %d min. K-Line for [%s@%s] [%s]",
236			get_oper_name(source_p), tkline_time/60,
237			aconf->user, aconf->host,
238			aconf->reason);
239			sendto_one(source_p, ":%s NOTICE %s :Added temporary %d min. K-Line [%s@%s]",
240			MyConnect(source_p) ? me.name : ID_or_name(&me, source_p->from),
241			source_p->name, tkline_time/60, aconf->user, aconf->host);
242			ilog(LOG_TYPE_KLINE, "%s added temporary %d min. K-Line for [%s@%s] [%s]",
243			source_p->name, tkline_time/60,
244			aconf->user, aconf->host, aconf->reason);
245			}
246			else
247			{
248			sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
249			"%s added K-Line for [%s@%s] [%s]",
250			get_oper_name(source_p),
251			aconf->user, aconf->host, aconf->reason);
252			sendto_one(source_p, ":%s NOTICE %s :Added K-Line [%s@%s]",
253			MyConnect(source_p) ? me.name : ID_or_name(&me, source_p->from),
254			source_p->name, aconf->user, aconf->host);
255			ilog(LOG_TYPE_KLINE, "%s added K-Line for [%s@%s] [%s]",
256			source_p->name, aconf->user, aconf->host, aconf->reason);
257			}
258	michael	1247
259	michael	1622	add_conf_by_address(CONF_KLINE, aconf);
260	adx	30	rehashed_klines = 1;
261			}
262
263			/* already_placed_kline()
264			* inputs - user to complain to, username & host to check for
265			* outputs - returns 1 on existing K-line, 0 if doesn't exist
266			* side effects - notifies source_p if the K-line already exists
267			*/
268			/*
269			* Note: This currently works if the new K-line is a special case of an
270			* existing K-line, but not the other way round. To do that we would
271			* have to walk the hash and check every existing K-line. -A1kmm.
272			*/
273			static int
274			already_placed_kline(struct Client source_p, const char luser, const char *lhost, int warn)
275			{
276			const char *reason;
277			struct irc_ssaddr iphost, *piphost;
278			struct AccessItem *aconf;
279			int t;
280
281			if ((t = parse_netmask(lhost, &iphost, &t)) != HM_HOST)
282			{
283			#ifdef IPV6
284			if (t == HM_IPV6)
285			t = AF_INET6;
286			else
287			#endif
288			t = AF_INET;
289			piphost = &iphost;
290			}
291			else
292			{
293			t = 0;
294			piphost = NULL;
295			}
296
297	michael	1371	if ((aconf = find_conf_by_address(lhost, piphost, CONF_KLINE, t, luser, NULL, 0)))
298	adx	30	{
299			if (warn)
300			{
301			reason = aconf->reason ? aconf->reason : "No reason";
302			sendto_one(source_p,
303			":%s NOTICE %s :[%s@%s] already K-Lined by [%s@%s] - %s",
304			me.name, source_p->name, luser, lhost, aconf->user,
305			aconf->host, reason);
306			}
307	michael	1298
308			return 1;
309	adx	30	}
310
311	michael	1298	return 0;
312	adx	30	}
313
314			/*
315			** mo_unkline
316			** Added Aug 31, 1997
317			** common (Keith Fralick) fralick@gate.net
318			**
319			** parv[0] = sender
320			** parv[1] = address to remove
321			*
322			*
323			*/
324			static void
325			mo_unkline(struct Client client_p,struct Client source_p,
326			int parc, char *parv[])
327			{
328			char *target_server = NULL;
329			char user, host;
330
331	michael	1219	if (!HasOFlag(source_p, OPER_FLAG_UNKLINE))
332	adx	30	{
333			sendto_one(source_p, form_str(ERR_NOPRIVS),
334			me.name, source_p->name, "unkline");
335			return;
336			}
337
338	michael	1622	if (EmptyString(parv[1]))
339	adx	30	{
340			sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS),
341			me.name, source_p->name, "UNKLINE");
342			return;
343			}
344
345			if (parse_aline("UNKLINE", source_p, parc, parv, 0, &user,
346			&host, NULL, &target_server, NULL) < 0)
347			return;
348
349			if (target_server != NULL)
350			{
351			sendto_match_servs(source_p, target_server, CAP_UNKLN,
352			"UNKLINE %s %s %s",
353			target_server, user, host);
354
355			/* Allow ON to apply local unkline as well if it matches */
356			if (!match(target_server, me.name))
357			return;
358			}
359			else
360			cluster_a_line(source_p, "UNKLINE", CAP_UNKLN, SHARED_UNKLINE,
361	michael	1058	"%s %s", user, host);
362	adx	30
363	michael	1622	if (remove_kline_match(host, user))
364	adx	30	{
365			sendto_one(source_p,
366	michael	1622	":%s NOTICE %s :K-Line for [%s@%s] is removed",
367	adx	30	me.name, source_p->name, user, host);
368	michael	1618	sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
369	michael	1058	"%s has removed the K-Line for: [%s@%s]",
370			get_oper_name(source_p), user, host);
371	michael	1247	ilog(LOG_TYPE_KLINE, "%s removed K-Line for [%s@%s]",
372	michael	1058	source_p->name, user, host);
373	adx	30	}
374			else
375			sendto_one(source_p, ":%s NOTICE %s :No K-Line for [%s@%s] found",
376			me.name, source_p->name, user, host);
377			}
378
379			/* me_unkline()
380			*
381			* inputs - server
382			* - client
383			* - parc
384			* - parv
385			* outputs - none
386			* side effects - if server is authorized, kline is removed
387			* does not propagate message
388			*/
389			static void
390			me_unkline(struct Client client_p, struct Client source_p,
391			int parc, char *parv[])
392			{
393			const char kuser, khost;
394
395			if (parc != 4)
396			return;
397
398			kuser = parv[2];
399			khost = parv[3];
400
401			if (!IsClient(source_p) \|\| !match(parv[1], me.name))
402			return;
403
404	michael	1276	if (HasFlag(source_p, FLAGS_SERVICE) \|\| find_matching_name_conf(ULINE_TYPE,
405	adx	30	source_p->servptr->name,
406			source_p->username, source_p->host,
407			SHARED_UNKLINE))
408			{
409	michael	1622	if (remove_kline_match(khost, kuser))
410	adx	30	{
411			sendto_one(source_p,
412	michael	1622	":%s NOTICE %s :K-Line for [%s@%s] is removed",
413	adx	30	me.name, source_p->name, kuser, khost);
414	michael	1618	sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
415	michael	1622	"%s has removed the K-Line for: [%s@%s]",
416	adx	30	get_oper_name(source_p), kuser, khost);
417	michael	1247	ilog(LOG_TYPE_KLINE, "%s removed K-Line for [%s@%s]",
418	adx	30	source_p->name, kuser, khost);
419			}
420			else
421			sendto_one(source_p, ":%s NOTICE %s :No K-Line for [%s@%s] found",
422			me.name, source_p->name, kuser, khost);
423			}
424			}
425
426			/* ms_unkline - propagates and handles a remote unkline message */
427			static void
428			ms_unkline(struct Client client_p, struct Client source_p,
429			int parc, char *parv[])
430			{
431			if (parc != 4)
432			return;
433
434			sendto_match_servs(source_p, parv[1], CAP_UNKLN,
435			"UNKLINE %s %s %s",
436			parv[1], parv[2], parv[3]);
437
438			me_unkline(client_p, source_p, parc, parv);
439			}
440
441			/* static int remove_tkline_match(const char host, const char user)
442			* Input: A hostname, a username to unkline.
443			* Output: returns YES on success, NO if no tkline removed.
444			* Side effects: Any matching tklines are removed.
445			*/
446			static int
447	michael	1622	remove_kline_match(const char host, const char user)
448	adx	30	{
449	michael	1369	struct irc_ssaddr iphost, *piphost;
450			struct AccessItem *aconf;
451			int t;
452	michael	1298
453	michael	1369	if ((t = parse_netmask(host, &iphost, NULL)) != HM_HOST)
454	adx	30	{
455			#ifdef IPV6
456	michael	1369	if (t == HM_IPV6)
457			t = AF_INET6;
458			else
459	adx	30	#endif
460	michael	1369	t = AF_INET;
461			piphost = &iphost;
462	adx	30	}
463	michael	1369	else
464			{
465			t = 0;
466			piphost = NULL;
467			}
468	adx	30
469	michael	1371	if ((aconf = find_conf_by_address(host, piphost, CONF_KLINE, t, user, NULL, 0)))
470	michael	1369	{
471	michael	1622	if (!IsConfMain(aconf))
472	michael	1369	{
473			delete_one_address_conf(host, aconf);
474			return 1;
475			}
476			}
477
478	michael	1058	return 0;
479	adx	30	}
480	michael	1230
481			static struct Message kline_msgtab = {
482			"KLINE", 0, 0, 2, MAXPARA, MFLG_SLOW, 0,
483			{m_unregistered, m_not_oper, ms_kline, me_kline, mo_kline, m_ignore}
484			};
485
486			static struct Message unkline_msgtab = {
487			"UNKLINE", 0, 0, 2, MAXPARA, MFLG_SLOW, 0,
488			{m_unregistered, m_not_oper, ms_unkline, me_unkline, mo_unkline, m_ignore}
489			};
490
491			static void
492			module_init(void)
493			{
494			mod_add_cmd(&kline_msgtab);
495			mod_add_cmd(&unkline_msgtab);
496			add_capability("KLN", CAP_KLN, 1);
497			add_capability("UNKLN", CAP_UNKLN, 1);
498			}
499
500			static void
501			module_exit(void)
502			{
503			mod_del_cmd(&kline_msgtab);
504			mod_del_cmd(&unkline_msgtab);
505			delete_capability("UNKLN");
506			delete_capability("KLN");
507			}
508
509			struct module module_entry = {
510			.node = { NULL, NULL, NULL },
511			.name = NULL,
512			.version = "$Revision$",
513			.handle = NULL,
514			.modinit = module_init,
515			.modexit = module_exit,
516			.flags = 0
517			};